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प्रश्न
State whether the following statement is True or False. In case a statement is false, write the correct statement.
Sewage is a solid waste that causes water pollution and soil pollution.
विकल्प
True
False
उत्तर
False
Explanation:
The given statement is False. Sewage is a liquid waste, not solid garbage, and it pollutes the water and soil.
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संबंधित प्रश्न
Explain how sludge is treated.
Name two chemicals used to disinfect water.
Explain the function of bar screens in a wastewater treatment plant.
Which of the following is/are products of wastewater treatment?
Which of the following is not a source of wastewater?
State whether the following statement is True or False. In case a statement is false, write the correct statement.
Used water is wastewater
State whether the following statement is True or False. In case a statement is false, write the correct statement.
Wastewater could be reused.
Given below is a jumbled sequence of the processes involved in a wastewater treatment plant. Arrange them in their correct sequence.
(a) Sludge is scraped out and the skimmer removes the floating grease.
(b) Water is made to settle in a large tank with a slope in the middle.
(c) Large objects like plastic bags are removed by passing wastewater through bar screens.
(d) Sand, grit and pebbles are made to settle by decreasing the speed of incoming wastewater.
(e) Wastewater enters a grit and sand removal tank.
Three statements are provided here which define the terms
(a) sludge
(b) sewage and
(c) wastewater.
Pick out the correct definition for each of these terms.
(a) The settled solids are removed in wastewater treatment with a scraper.
(b) Water from the kitchen is used for washing dishes.
(c) Wastewater is released from homes, industries, hospitals and other public buildings.
What is sludge?
